Mitsubishi i electric vehicle

Getty Images

A man steps out of the driver's seat of a Mitsubishi i electric vehicle on display at the 2012 Los Angeles Auto Show in Los Angeles, California. Five environmentally friendly cars are vying for the crown of Green Car of the Year at the LA Auto Show this week.

A man steps out of the driver's seat of a Mitsubishi i electric vehicle on display at the 2012 Los Angeles Auto Show in Los Angeles, California. Five environmentally friendly cars are vying for the crown of Green Car of the Year at the LA Auto Show this week. (Getty Images)

A man steps out of the driver's seat of a Mitsubishi i electric vehicle on display at the 2012 Los Angeles Auto Show in Los Angeles, California. Five environmentally friendly cars are vying for the crown of Green Car of the Year at the LA Auto Show this week.